What is confirmed
The official Roblox description names both systems, but it does not publish the structured data needed for a pack tier list or odds calculator.
Soccer Card Draft starts with Team-Year rolls and lineup choices. The creator then describes a progression path through simulated cup tournaments into stronger packs and permanent Captain Cards. That makes packs a collection-progression system, while Captain Cards are presented as lasting additions rather than one-run draft choices.
The public description does not identify individual Captain Cards, pack names, pack prices, contents, rarity bands, pity rules, or drop probabilities. We therefore do not publish a “best pack” ranking or claim that a specific pack guarantees a stronger lineup. Use this page to separate the verified system from those missing details.